improve code coverage

Signed-off-by: Joe Lanford <[email protected]>

Author: joelanford

internal/declcfg/load_test.go

@@ -31,6 +31,11 @@ func TestReadYAMLOrJSON(t *testing.T) {
 			file:      "testdata/invalid/not-yaml-or-json-object.json",
 			assertion: require.Error,
 		},
+		{
+			name:      "Error/NoSchema",
+			file:      "testdata/invalid/no-schema.yaml",
+			assertion: require.Error,
+		},
 		{
 			name:      "Error/InvalidPackageJSON",
 			file:      "testdata/invalid/invalid-package-json.json",

internal/declcfg/testdata/invalid/no-schema.yaml

@@ -0,0 +1 @@
+hello: world

internal/declcfg/testdata/invalid/not-yaml-or-json.txt

@@ -1 +1 @@
-This is not yaml or json.
+[This is not yaml or json.}